XML 48 R38.htm IDEA: XBRL DOCUMENT v3.21.2

SCHEDULE OF CARRYING VALUE AND FAIR VALUE OF REAL ESTATE HELD FOR SALE (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Real Estate [Abstract]
Estimated sales price of building and land	$ 800
Estimated sales price of additional land	275
Estimated cost to sell	(100)
Estimated net proceeds	$ 975

X

- Definition

Estimated sales price of additional land.

+ References

No definition available.

+ Details

Name:	USEG_FairValueOfRealEstateHeldForSaleCostOfAdditionalLand
Namespace Prefix:	USEG_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Estimated cost to sell.

+ References

No definition available.

+ Details

Name:	USEG_FairValueOfRealEstateHeldForSaleCostOfSale
Namespace Prefix:	USEG_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Estimated net proceeds.

+ References

No definition available.

+ Details

Name:	USEG_FairValueOfRealEstateHeldForSaleEstimatedNetProceeds
Namespace Prefix:	USEG_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Estimated sales price of building and land.

+ References

No definition available.

+ Details

Name:	USEG_FairValueOfRealEstateHeldForSaleOfBuildingAndLand
Namespace Prefix:	USEG_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_RealEstateAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration